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Bug 174055, part 6: eliminate pointless nsresult return values.

This commit is contained in:
Zack Weinberg 2011-04-07 21:18:43 -07:00
Родитель 76072c4258
Коммит 100dba00ae
41 изменённых файлов: 271 добавлений и 399 удалений
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5
content/events/src/nsEventStateManager.cpp
Просмотреть файл

@ -2492,10 +2492,9 @@ GetScrollableLineHeight(nsIFrame* aTargetFrame)
const nsFont& f = font->mFont;
nsRefPtr<nsFontMetrics> fm = aTargetFrame->PresContext()->GetMetricsFor(f);
NS_ASSERTION(fm, "FontMetrics is null!");
nscoord lineHeight = 0;
if (fm)
fm->GetMaxHeight(lineHeight);
return lineHeight;
return fm->MaxHeight();
return 0;
}
void

282
gfx/src/nsFontMetrics.cpp
Просмотреть файл

@ -40,31 +40,31 @@
#include "nsBoundingMetrics.h"
#include "nsRenderingContext.h"
#include "nsThebesDeviceContext.h"
#include "gfxTextRunCache.h"
class AutoTextRun {
namespace {
class AutoTextRun : public gfxTextRunCache::AutoTextRun {
public:
AutoTextRun(nsFontMetrics* aMetrics, nsRenderingContext* aRC,
const char* aString, PRInt32 aLength) {
mTextRun = gfxTextRunCache::MakeTextRun(
const char* aString, PRInt32 aLength)
: gfxTextRunCache::AutoTextRun(gfxTextRunCache::MakeTextRun(
reinterpret_cast<const PRUint8*>(aString), aLength,
aMetrics->GetThebesFontGroup(), aRC->ThebesContext(),
aMetrics->AppUnitsPerDevPixel(),
ComputeFlags(aMetrics));
}
ComputeFlags(aMetrics)))
{}
AutoTextRun(nsFontMetrics* aMetrics, nsRenderingContext* aRC,
const PRUnichar* aString, PRInt32 aLength) {
mTextRun = gfxTextRunCache::MakeTextRun(
const PRUnichar* aString, PRInt32 aLength)
: gfxTextRunCache::AutoTextRun(gfxTextRunCache::MakeTextRun(
aString, aLength, aMetrics->GetThebesFontGroup(),
aRC->ThebesContext(),
aMetrics->AppUnitsPerDevPixel(),
ComputeFlags(aMetrics));
}
gfxTextRun* operator->() { return mTextRun.get(); }
gfxTextRun* get() { return mTextRun.get(); }
ComputeFlags(aMetrics)))
{}
private:
gfxTextRunCache::AutoTextRun mTextRun;
static PRUint32 ComputeFlags(nsFontMetrics* aMetrics) {
PRUint32 flags = 0;
if (aMetrics->GetRightToLeftTextRunMode()) {
@ -74,6 +74,24 @@ private:
}
};
class StubPropertyProvider : public gfxTextRun::PropertyProvider {
public:
virtual void GetHyphenationBreaks(PRUint32 aStart, PRUint32 aLength,
PRPackedBool* aBreakBefore) {
NS_ERROR("This shouldn't be called because we never call BreakAndMeasureText");
}
virtual gfxFloat GetHyphenWidth() {
NS_ERROR("This shouldn't be called because we never enable hyphens");
return 0;
}
virtual void GetSpacing(PRUint32 aStart, PRUint32 aLength,
Spacing* aSpacing) {
NS_ERROR("This shouldn't be called because we never enable spacing");
}
};
} // anon namespace
nsFontMetrics::nsFontMetrics()
{
mFontStyle = nsnull;
@ -118,11 +136,10 @@ nsFontMetrics::Init(const nsFont& aFont, nsIAtom* aLanguage,
return NS_OK;
}
nsresult
void
nsFontMetrics::Destroy()
{
mDeviceContext = nsnull;
return NS_OK;
}
// XXXTODO get rid of this macro
@ -134,42 +151,36 @@ const gfxFont::Metrics& nsFontMetrics::GetMetrics() const
return mFontGroup->GetFontAt(0)->GetMetrics();
}
nsresult
nsFontMetrics::GetXHeight(nscoord& aResult)
nscoord
nsFontMetrics::XHeight()
{
aResult = ROUND_TO_TWIPS(GetMetrics().xHeight);
return NS_OK;
return ROUND_TO_TWIPS(GetMetrics().xHeight);
}
nsresult
nsFontMetrics::GetSuperscriptOffset(nscoord& aResult)
nscoord
nsFontMetrics::SuperscriptOffset()
{
aResult = ROUND_TO_TWIPS(GetMetrics().superscriptOffset);
return NS_OK;
return ROUND_TO_TWIPS(GetMetrics().superscriptOffset);
}
nsresult
nsFontMetrics::GetSubscriptOffset(nscoord& aResult)
nscoord
nsFontMetrics::SubscriptOffset()
{
aResult = ROUND_TO_TWIPS(GetMetrics().subscriptOffset);
return NS_OK;
return ROUND_TO_TWIPS(GetMetrics().subscriptOffset);
}
nsresult
void
nsFontMetrics::GetStrikeout(nscoord& aOffset, nscoord& aSize)
{
aOffset = ROUND_TO_TWIPS(GetMetrics().strikeoutOffset);
aSize = ROUND_TO_TWIPS(GetMetrics().strikeoutSize);
return NS_OK;
}
nsresult
void
nsFontMetrics::GetUnderline(nscoord& aOffset, nscoord& aSize)
{
aOffset = ROUND_TO_TWIPS(mFontGroup->GetUnderlineOffset());
aSize = ROUND_TO_TWIPS(GetMetrics().underlineSize);
return NS_OK;
}
// GetMaxAscent/GetMaxDescent/GetMaxHeight must contain the
@ -191,91 +202,80 @@ static gfxFloat ComputeMaxAscent(const gfxFont::Metrics& aMetrics)
return NS_floor(aMetrics.maxAscent + 0.5);
}
nsresult
nsFontMetrics::GetInternalLeading(nscoord &aLeading)
nscoord
nsFontMetrics::InternalLeading()
{
aLeading = ROUND_TO_TWIPS(GetMetrics().internalLeading);
return NS_OK;
return ROUND_TO_TWIPS(GetMetrics().internalLeading);
}
nsresult
nsFontMetrics::GetExternalLeading(nscoord &aLeading)
nscoord
nsFontMetrics::ExternalLeading()
{
aLeading = ROUND_TO_TWIPS(GetMetrics().externalLeading);
return NS_OK;
return ROUND_TO_TWIPS(GetMetrics().externalLeading);
}
nsresult
nsFontMetrics::GetEmHeight(nscoord &aHeight)
nscoord
nsFontMetrics::EmHeight()
{
aHeight = ROUND_TO_TWIPS(GetMetrics().emHeight);
return NS_OK;
return ROUND_TO_TWIPS(GetMetrics().emHeight);
}
nsresult
nsFontMetrics::GetEmAscent(nscoord &aAscent)
nscoord
nsFontMetrics::EmAscent()
{
aAscent = ROUND_TO_TWIPS(GetMetrics().emAscent);
return NS_OK;
return ROUND_TO_TWIPS(GetMetrics().emAscent);
}
nsresult
nsFontMetrics::GetEmDescent(nscoord &aDescent)
nscoord
nsFontMetrics::EmDescent()
{
aDescent = ROUND_TO_TWIPS(GetMetrics().emDescent);
return NS_OK;
return ROUND_TO_TWIPS(GetMetrics().emDescent);
}
nsresult
nsFontMetrics::GetMaxHeight(nscoord &aHeight)
nscoord
nsFontMetrics::MaxHeight()
{
aHeight = CEIL_TO_TWIPS(ComputeMaxAscent(GetMetrics())) +
return CEIL_TO_TWIPS(ComputeMaxAscent(GetMetrics())) +
CEIL_TO_TWIPS(ComputeMaxDescent(GetMetrics(), mFontGroup));
return NS_OK;
}
nsresult
nsFontMetrics::GetMaxAscent(nscoord &aAscent)
nscoord
nsFontMetrics::MaxAscent()
{
aAscent = CEIL_TO_TWIPS(ComputeMaxAscent(GetMetrics()));
return NS_OK;
return CEIL_TO_TWIPS(ComputeMaxAscent(GetMetrics()));
}
nsresult
nsFontMetrics::GetMaxDescent(nscoord &aDescent)
nscoord
nsFontMetrics::MaxDescent()
{
aDescent = CEIL_TO_TWIPS(ComputeMaxDescent(GetMetrics(), mFontGroup));
return NS_OK;
return CEIL_TO_TWIPS(ComputeMaxDescent(GetMetrics(), mFontGroup));
}
nsresult
nsFontMetrics::GetMaxAdvance(nscoord &aAdvance)
nscoord
nsFontMetrics::MaxAdvance()
{
aAdvance = CEIL_TO_TWIPS(GetMetrics().maxAdvance);
return NS_OK;
return CEIL_TO_TWIPS(GetMetrics().maxAdvance);
}
nsresult
nsFontMetrics::GetLanguage(nsIAtom** aLanguage)
{
*aLanguage = mLanguage;
NS_IF_ADDREF(*aLanguage);
return NS_OK;
}
nsresult
nsFontMetrics::GetAveCharWidth(nscoord& aAveCharWidth)
nscoord
nsFontMetrics::AveCharWidth()
{
// Use CEIL instead of ROUND for consistency with GetMaxAdvance
aAveCharWidth = CEIL_TO_TWIPS(GetMetrics().aveCharWidth);
return NS_OK;
return CEIL_TO_TWIPS(GetMetrics().aveCharWidth);
}
nsresult
nsFontMetrics::GetSpaceWidth(nscoord& aSpaceCharWidth)
nscoord
nsFontMetrics::SpaceWidth()
{
aSpaceCharWidth = CEIL_TO_TWIPS(GetMetrics().spaceWidth);
return NS_OK;
return CEIL_TO_TWIPS(GetMetrics().spaceWidth);
}
already_AddRefed<nsIAtom>
nsFontMetrics::GetLanguage()
{
nsIAtom* result = mLanguage.get();
NS_IF_ADDREF(result);
return result;
}
PRInt32
@ -287,145 +287,93 @@ nsFontMetrics::GetMaxStringLength()
return PR_MAX(1, len);
}
class StubPropertyProvider : public gfxTextRun::PropertyProvider {
public:
virtual void GetHyphenationBreaks(PRUint32 aStart, PRUint32 aLength,
PRPackedBool* aBreakBefore) {
NS_ERROR("This shouldn't be called because we never call BreakAndMeasureText");
}
virtual gfxFloat GetHyphenWidth() {
NS_ERROR("This shouldn't be called because we never enable hyphens");
return 0;
}
virtual void GetSpacing(PRUint32 aStart, PRUint32 aLength,
Spacing* aSpacing) {
NS_ERROR("This shouldn't be called because we never enable spacing");
}
};
nsresult
nsFontMetrics::GetWidth(const char* aString, PRUint32 aLength, nscoord& aWidth,
nscoord
nsFontMetrics::GetWidth(const char* aString, PRUint32 aLength,
nsRenderingContext *aContext)
{
if (aLength == 0) {
aWidth = 0;
return NS_OK;
}
if (aLength == 0)
return 0;
// callers that hit this should not be so stupid
if ((aLength == 1) && (aString[0] == ' '))
return GetSpaceWidth(aWidth);
if (aLength == 1 && aString[0] == ' ')
return SpaceWidth();
StubPropertyProvider provider;
AutoTextRun textRun(this, aContext, aString, aLength);
if (!textRun.get())
return NS_ERROR_FAILURE;
aWidth = NSToCoordRound(textRun->GetAdvanceWidth(0, aLength, &provider));
return NS_OK;
return NSToCoordRound(textRun->GetAdvanceWidth(0, aLength, &provider));
}
nsresult
nscoord
nsFontMetrics::GetWidth(const PRUnichar* aString, PRUint32 aLength,
nscoord& aWidth, PRInt32 *aFontID,
nsRenderingContext *aContext)
{
if (aLength == 0) {
aWidth = 0;
return NS_OK;
}
if (aLength == 0)
return 0;
// callers that hit this should not be so stupid
if ((aLength == 1) && (aString[0] == ' '))
return GetSpaceWidth(aWidth);
if (aLength == 1 && aString[0] == ' ')
return SpaceWidth();
StubPropertyProvider provider;
AutoTextRun textRun(this, aContext, aString, aLength);
if (!textRun.get())
return NS_ERROR_FAILURE;
aWidth = NSToCoordRound(textRun->GetAdvanceWidth(0, aLength, &provider));
return NS_OK;
return NSToCoordRound(textRun->GetAdvanceWidth(0, aLength, &provider));
}
// Draw a string using this font handle on the surface passed in.
nsresult
void
nsFontMetrics::DrawString(const char *aString, PRUint32 aLength,
nscoord aX, nscoord aY,
const nscoord* aSpacing,
nsRenderingContext *aContext)
{
if (aLength == 0)
return NS_OK;
return;
NS_ASSERTION(!aSpacing, "Spacing not supported here");
StubPropertyProvider provider;
AutoTextRun textRun(this, aContext, aString, aLength);
if (!textRun.get())
return NS_ERROR_FAILURE;
gfxPoint pt(aX, aY);
if (mTextRunRTL) {
pt.x += textRun->GetAdvanceWidth(0, aLength, &provider);
}
textRun->Draw(aContext->ThebesContext(), pt, 0, aLength,
&provider, nsnull);
return NS_OK;
textRun->Draw(aContext->ThebesContext(), pt, 0, aLength, &provider, nsnull);
}
nsresult
void
nsFontMetrics::DrawString(const PRUnichar* aString, PRUint32 aLength,
nscoord aX, nscoord aY,
nsRenderingContext *aContext,
nsRenderingContext *aTextRunConstructionContext)
{
if (aLength == 0)
return NS_OK;
return;
StubPropertyProvider provider;
AutoTextRun textRun(this, aTextRunConstructionContext, aString, aLength);
if (!textRun.get())
return NS_ERROR_FAILURE;
gfxPoint pt(aX, aY);
if (mTextRunRTL) {
pt.x += textRun->GetAdvanceWidth(0, aLength, &provider);
}
textRun->Draw(aContext->ThebesContext(), pt, 0, aLength,
&provider, nsnull);
return NS_OK;
textRun->Draw(aContext->ThebesContext(), pt, 0, aLength, &provider, nsnull);
}
#ifdef MOZ_MATHML
nsresult
nsBoundingMetrics
nsFontMetrics::GetBoundingMetrics(const PRUnichar *aString, PRUint32 aLength,
nsRenderingContext *aContext,
nsBoundingMetrics &aBoundingMetrics)
nsRenderingContext *aContext)
{
if (aLength == 0) {
aBoundingMetrics = nsBoundingMetrics();
return NS_OK;
}
if (aLength == 0)
return nsBoundingMetrics();
AutoTextRun textRun(this, aContext, aString, aLength);
if (!textRun.get())
return NS_ERROR_FAILURE;
// note that TIGHT_HINTED_OUTLINE_EXTENTS can be expensive (on Windows)
// but this is only used for MathML positioning so it's not critical
StubPropertyProvider provider;
AutoTextRun textRun(this, aContext, aString, aLength);
gfxTextRun::Metrics theMetrics =
textRun->MeasureText(0, aLength,
gfxFont::TIGHT_HINTED_OUTLINE_EXTENTS,
aContext->ThebesContext(), &provider);
aBoundingMetrics.leftBearing = NSToCoordFloor(theMetrics.mBoundingBox.X());
aBoundingMetrics.rightBearing
= NSToCoordCeil(theMetrics.mBoundingBox.XMost());
aBoundingMetrics.width = NSToCoordRound(theMetrics.mAdvanceWidth);
aBoundingMetrics.ascent = NSToCoordCeil(- theMetrics.mBoundingBox.Y());
aBoundingMetrics.descent = NSToCoordCeil(theMetrics.mBoundingBox.YMost());
return NS_OK;
nsBoundingMetrics m;
m.leftBearing = NSToCoordFloor( theMetrics.mBoundingBox.X());
m.rightBearing = NSToCoordCeil( theMetrics.mBoundingBox.XMost());
m.ascent = NSToCoordCeil( -theMetrics.mBoundingBox.Y());
m.descent = NSToCoordCeil( theMetrics.mBoundingBox.YMost());
m.width = NSToCoordRound( theMetrics.mAdvanceWidth);
return m;
}
#endif /* MOZ_MATHML */

87
gfx/src/nsFontMetrics.h
Просмотреть файл

@ -43,14 +43,10 @@
#include "nsCoord.h"
#include "nsFont.h"
#include "gfxFont.h"
#include "gfxTextRunCache.h"
class gfxFontGroup;
class gfxUserFontSet;
class nsIAtom;
class nsIDeviceContext;
class nsRenderingContext;
class nsString;
class nsThebesDeviceContext;
struct nsBoundingMetrics;
@ -94,93 +90,103 @@ public:
* Destroy this font metrics. This breaks the association between
* the font metrics and the device context.
*/
nsresult Destroy();
void Destroy();
/**
* Return the font's x-height.
*/
nsresult GetXHeight(nscoord& aResult);
nscoord XHeight();
/**
* Return the font's superscript offset (the distance from the
* baseline to where a superscript's baseline should be placed).
* The value returned will be positive.
*/
nsresult GetSuperscriptOffset(nscoord& aResult);
nscoord SuperscriptOffset();
/**
* Return the font's subscript offset (the distance from the
* baseline to where a subscript's baseline should be placed).
* The value returned will be positive.
*/
nsresult GetSubscriptOffset(nscoord& aResult);
nscoord SubscriptOffset();
/**
* Return the font's strikeout offset (the distance from the
* baseline to where a strikeout should be placed) and size.
* Positive values are above the baseline, negative below.
*/
nsresult GetStrikeout(nscoord& aOffset, nscoord& aSize);
void GetStrikeout(nscoord& aOffset, nscoord& aSize);
/**
* Return the font's underline offset (the distance from the
* baseline to where a underline should be placed) and size.
* Positive values are above the baseline, negative below.
*/
nsresult GetUnderline(nscoord& aOffset, nscoord& aSize);
void GetUnderline(nscoord& aOffset, nscoord& aSize);
/**
* Returns the amount of internal leading for the font.
* This is normally the difference between the max ascent
* and the em ascent.
*/
nsresult GetInternalLeading(nscoord &aLeading);
nscoord InternalLeading();
/**
* Returns the amount of external leading for the font.
* em ascent(?) plus external leading is the font designer's
* recommended line-height for this font.
*/
nsresult GetExternalLeading(nscoord &aLeading);
nscoord ExternalLeading();
/**
* Returns the height of the em square.
* This is em ascent plus em descent.
*/
nsresult GetEmHeight(nscoord &aHeight);
nscoord EmHeight();
/**
* Returns the ascent part of the em square.
*/
nsresult GetEmAscent(nscoord &aAscent);
nscoord EmAscent();
/**
* Returns the descent part of the em square.
*/
nsresult GetEmDescent(nscoord &aDescent);
nscoord EmDescent();
/**
* Returns the height of the bounding box.
* This is max ascent plus max descent.
*/
nsresult GetMaxHeight(nscoord &aHeight);
nscoord MaxHeight();
/**
* Returns the maximum distance characters in this font extend
* above the base line.
*/
nsresult GetMaxAscent(nscoord &aAscent);
nscoord MaxAscent();
/**
* Returns the maximum distance characters in this font extend
* below the base line.
*/
nsresult GetMaxDescent(nscoord &aDescent);
nscoord MaxDescent();
/**
* Returns the maximum character advance for the font.
*/
nsresult GetMaxAdvance(nscoord &aAdvance);
nscoord MaxAdvance();
/**
* Returns the average character width
*/
nscoord AveCharWidth();
/**
* Returns the often needed width of the space character
*/
nscoord SpaceWidth();
/**
* Returns the font associated with these metrics. The return value
@ -191,44 +197,31 @@ public:
/**
* Returns the language associated with these metrics
*/
nsresult GetLanguage(nsIAtom** aLanguage);
/**
* Returns the average character width
*/
nsresult GetAveCharWidth(nscoord& aAveCharWidth);
/**
* Returns the often needed width of the space character
*/
nsresult GetSpaceWidth(nscoord& aSpaceCharWidth);
already_AddRefed<nsIAtom> GetLanguage();
PRInt32 GetMaxStringLength();
// Get the width for this string. aWidth will be updated with the
// width in points, not twips. Callers must convert it if they
// want it in another format.
nsresult GetWidth(const char* aString, PRUint32 aLength, nscoord& aWidth,
nsRenderingContext *aContext);
nsresult GetWidth(const PRUnichar* aString, PRUint32 aLength,
nscoord& aWidth, PRInt32 *aFontID,
nsRenderingContext *aContext);
nscoord GetWidth(const char* aString, PRUint32 aLength,
nsRenderingContext *aContext);
nscoord GetWidth(const PRUnichar* aString, PRUint32 aLength,
nsRenderingContext *aContext);
// Draw a string using this font handle on the surface passed in.
nsresult DrawString(const char *aString, PRUint32 aLength,
nscoord aX, nscoord aY,
const nscoord* aSpacing,
nsRenderingContext *aContext);
nsresult DrawString(const PRUnichar* aString, PRUint32 aLength,
nscoord aX, nscoord aY,
nsRenderingContext *aContext,
nsRenderingContext *aTextRunConstructionContext);
void DrawString(const char *aString, PRUint32 aLength,
nscoord aX, nscoord aY,
nsRenderingContext *aContext);
void DrawString(const PRUnichar* aString, PRUint32 aLength,
nscoord aX, nscoord aY,
nsRenderingContext *aContext,
nsRenderingContext *aTextRunConstructionContext);
#ifdef MOZ_MATHML
nsresult GetBoundingMetrics(const PRUnichar *aString,
PRUint32 aLength,
nsRenderingContext *aContext,
nsBoundingMetrics &aBoundingMetrics);
nsBoundingMetrics GetBoundingMetrics(const PRUnichar *aString,
PRUint32 aLength,
nsRenderingContext *aContext);
#endif /* MOZ_MATHML */
// Set the direction of the text rendering

46
gfx/src/nsRenderingContext.cpp
Просмотреть файл

@ -494,9 +494,7 @@ nscoord
nsRenderingContext::GetWidth(char aC)
{
if (aC == ' ' && mFontMetrics) {
nscoord width;
mFontMetrics->GetSpaceWidth(width);
return width;
return mFontMetrics->SpaceWidth();
}
return GetWidth(&aC, 1);
@ -527,7 +525,7 @@ nsRenderingContext::GetWidth(const char* aString, PRUint32 aLength)
nscoord width = 0;
while (aLength > 0) {
PRInt32 len = FindSafeLength(aString, aLength, maxChunkLength);
width += GetWidthInternal(aString, len);
width += mFontMetrics->GetWidth(aString, len, this);
aLength -= len;
aString += len;
}
@ -541,7 +539,7 @@ nsRenderingContext::GetWidth(const PRUnichar *aString, PRUint32 aLength)
nscoord width = 0;
while (aLength > 0) {
PRInt32 len = FindSafeLength(aString, aLength, maxChunkLength);
width += GetWidthInternal(aString, len);
width += mFontMetrics->GetWidth(aString, len, this);
aLength -= len;
aString += len;
}
@ -558,15 +556,15 @@ nsRenderingContext::GetBoundingMetrics(const PRUnichar* aString,
// Assign directly in the first iteration. This ensures that
// negative ascent/descent can be returned and the left bearing
// is properly initialized.
nsBoundingMetrics totalMetrics;
mFontMetrics->GetBoundingMetrics(aString, len, this, totalMetrics);
nsBoundingMetrics totalMetrics
= mFontMetrics->GetBoundingMetrics(aString, len, this);
aLength -= len;
aString += len;
while (aLength > 0) {
len = FindSafeLength(aString, aLength, maxChunkLength);
nsBoundingMetrics metrics;
mFontMetrics->GetBoundingMetrics(aString, len, this, metrics);
nsBoundingMetrics metrics
= mFontMetrics->GetBoundingMetrics(aString, len, this);
totalMetrics += metrics;
aLength -= len;
aString += len;
@ -582,11 +580,11 @@ nsRenderingContext::DrawString(const char *aString, PRUint32 aLength,
PRUint32 maxChunkLength = GetMaxChunkLength();
while (aLength > 0) {
PRInt32 len = FindSafeLength(aString, aLength, maxChunkLength);
mFontMetrics->DrawString(aString, len, aX, aY, nsnull, this);
mFontMetrics->DrawString(aString, len, aX, aY, this);
aLength -= len;
if (aLength > 0) {
nscoord width = GetWidthInternal(aString, len);
nscoord width = mFontMetrics->GetWidth(aString, len, this);
aX += width;
aString += len;
}
@ -618,7 +616,7 @@ nsRenderingContext::DrawString(const PRUnichar *aString, PRUint32 aLength,
while (aLength > 0) {
PRInt32 len = FindSafeLength(aString, aLength, maxChunkLength);
nscoord width = GetWidthInternal(aString, len);
nscoord width = mFontMetrics->GetWidth(aString, len, this);
if (isRTL) {
aX -= width;
}
@ -630,27 +628,3 @@ nsRenderingContext::DrawString(const PRUnichar *aString, PRUint32 aLength,
aString += len;
}
}
nscoord
nsRenderingContext::GetWidthInternal(const char* aString, PRUint32 aLength)
{
if (aLength == 0) {
return 0;
}
nscoord width;
mFontMetrics->GetWidth(aString, aLength, width, this);
return width;
}
nscoord
nsRenderingContext::GetWidthInternal(const PRUnichar *aString, PRUint32 aLength)
{
if (aLength == 0) {
return 0;
}
nscoord width;
mFontMetrics->GetWidth(aString, aLength, width, nsnull, this);
return width;
}

2
gfx/src/nsRenderingContext.h
Просмотреть файл

@ -146,8 +146,6 @@ public:
protected:
PRInt32 GetMaxChunkLength();
nscoord GetWidthInternal(const char *aString, PRUint32 aLength);
nscoord GetWidthInternal(const PRUnichar *aString, PRUint32 aLength);
nsRefPtr<gfxContext> mThebes;
nsCOMPtr<nsIDeviceContext> mDeviceContext;

3
gfx/src/nsThebesDeviceContext.cpp
Просмотреть файл

@ -151,8 +151,7 @@ nsFontCache::GetMetricsFor(const nsFont& aFont, nsIAtom* aLanguage,
for (PRInt32 i = n; i >= 0; --i) {
fm = mFontMetrics[i];
if (fm->Font().Equals(aFont) && fm->GetUserFontSet() == aUserFontSet) {
nsCOMPtr<nsIAtom> language;
fm->GetLanguage(getter_AddRefs(language));
nsCOMPtr<nsIAtom> language = fm->GetLanguage();
if (aLanguage == language.get()) {
if (i != n) {
// promote it to the end of the cache

4
layout/base/nsCaret.cpp
Просмотреть файл

@ -360,8 +360,8 @@ nsCaret::GetGeometryForFrame(nsIFrame* aFrame,
nsLayoutUtils::GetFontMetricsForFrame(aFrame, getter_AddRefs(fm));
NS_ASSERTION(fm, "We should be able to get the font metrics");
if (fm) {
fm->GetMaxAscent(ascent);
fm->GetMaxDescent(descent);
ascent = fm->MaxAscent();
descent = fm->MaxDescent();
}
nscoord height = ascent + descent;
framePos.y = baseline - ascent;

7
layout/base/nsLayoutUtils.cpp
Просмотреть файл

@ -1644,7 +1644,7 @@ nsLayoutUtils::PaintFrame(nsRenderingContext* aRenderingContext, nsIFrame* aFram
nsIWidget *widget = aFrame->GetNearestWidget();
if (widget) {
PRInt32 pixelRatio = presContext->AppUnitsPerDevPixel();
nsIntRegion visibleWindowRegion(visibleRegion.ToOutsidePixels(presContext->AppUnitsPerDevPixel()));
nsIntRegion visibleWindowRegion(visibleRegion.ToOutsidePixels(pixelRatio));
widget->UpdateTransparentRegion(visibleWindowRegion);
}
}
@ -2845,9 +2845,8 @@ nsLayoutUtils::GetStringWidth(const nsIFrame* aFrame,
nsLayoutUtils::GetCenteredFontBaseline(nsFontMetrics* aFontMetrics,
nscoord aLineHeight)
{
nscoord fontAscent, fontHeight;
aFontMetrics->GetMaxAscent(fontAscent);
aFontMetrics->GetMaxHeight(fontHeight);
nscoord fontAscent = aFontMetrics->MaxAscent();
nscoord fontHeight = aFontMetrics->MaxHeight();
nscoord leading = aLineHeight - fontHeight;
return fontAscent + leading/2;

6
layout/base/nsPresShell.cpp
Просмотреть файл

@ -8809,12 +8809,10 @@ void ReflowCountMgr::PaintCount(const char* aName,
aRenderingContext->SetFont(fm);
char buf[16];
sprintf(buf, "%d", counter->mCount);
nscoord x = 0, y;
nscoord width, height;
nscoord x = 0, y = fm->MaxAscent();
nscoord width, height = fm->MaxHeight();
aRenderingContext->SetTextRunRTL(PR_FALSE);
aRenderingContext->GetWidth((char*)buf, width);
fm->GetMaxHeight(height);
fm->GetMaxAscent(y);
PRUint32 color;
PRUint32 color2;

4
layout/forms/nsListControlFrame.cpp
Просмотреть файл

@ -1878,11 +1878,11 @@ nscoord
nsListControlFrame::CalcFallbackRowHeight()
{
nscoord rowHeight = 0;
nsRefPtr<nsFontMetrics> fontMet;
nsLayoutUtils::GetFontMetricsForFrame(this, getter_AddRefs(fontMet));
if (fontMet) {
fontMet->GetMaxHeight(rowHeight);
rowHeight = fontMet->MaxHeight();
}
return rowHeight;

4
layout/forms/nsTextControlFrame.cpp
Просмотреть файл

@ -237,8 +237,8 @@ nsTextControlFrame::CalcIntrinsicSize(nsRenderingContext* aRenderingContext,
lineHeight =
nsHTMLReflowState::CalcLineHeight(GetStyleContext(), NS_AUTOHEIGHT);
fontMet->GetAveCharWidth(charWidth);
fontMet->GetMaxAdvance(charMaxAdvance);
charWidth = fontMet->AveCharWidth();
charMaxAdvance = fontMet->MaxAdvance();
// Set the width equal to the width in characters
PRInt32 cols = GetCols();

3
layout/generic/nsBRFrame.cpp
Просмотреть файл

@ -239,8 +239,7 @@ BRFrame::GetBaseline() const
if (GetStateBits() & BR_USING_CENTERED_FONT_BASELINE) {
ascent = nsLayoutUtils::GetCenteredFontBaseline(fm, logicalHeight);
} else {
fm->GetMaxAscent(ascent);
ascent += GetUsedBorderAndPadding().top;
ascent = fm->MaxAscent() + GetUsedBorderAndPadding().top;
}
}
return NS_MIN(mRect.height, ascent);

17
layout/generic/nsBulletFrame.cpp
Просмотреть файл

@ -388,8 +388,7 @@ nsBulletFrame::PaintBullet(nsRenderingContext& aRenderingContext, nsPoint aPt,
nsLayoutUtils::GetFontMetricsForFrame(this, getter_AddRefs(fm));
GetListItemText(*myList, text);
aRenderingContext.SetFont(fm);
nscoord ascent;
fm->GetMaxAscent(ascent);
nscoord ascent = fm->MaxAscent();
aRenderingContext.SetTextRunRTL(mTextIsRTL);
aRenderingContext.DrawString(text, mPadding.left + aPt.x,
mPadding.top + aPt.y + ascent);
@ -1361,7 +1360,7 @@ nsBulletFrame::GetDesiredSize(nsPresContext* aCX,
case NS_STYLE_LIST_STYLE_DISC:
case NS_STYLE_LIST_STYLE_CIRCLE:
case NS_STYLE_LIST_STYLE_SQUARE:
fm->GetMaxAscent(ascent);
ascent = fm->MaxAscent();
bulletSize = NS_MAX(nsPresContext::CSSPixelsToAppUnits(MIN_BULLET_SIZE),
NSToCoordRound(0.8f * (float(ascent) / 2.0f)));
mPadding.bottom = NSToCoordRound(float(ascent) / 8.0f);
@ -1422,11 +1421,13 @@ nsBulletFrame::GetDesiredSize(nsPresContext* aCX,
case NS_STYLE_LIST_STYLE_MOZ_ETHIOPIC_HALEHAME_TI_ER:
case NS_STYLE_LIST_STYLE_MOZ_ETHIOPIC_HALEHAME_TI_ET:
GetListItemText(*myList, text);
fm->GetMaxHeight(aMetrics.height);
aMetrics.height = fm->MaxHeight();
aRenderingContext->SetFont(fm);
aMetrics.width = nsLayoutUtils::GetStringWidth(this, aRenderingContext, text.get(), text.Length());
aMetrics.width =
nsLayoutUtils::GetStringWidth(this, aRenderingContext,
text.get(), text.Length());
aMetrics.width += mPadding.right;
fm->GetMaxAscent(aMetrics.ascent);
aMetrics.ascent = fm->MaxAscent();
break;
}
}
@ -1601,7 +1602,7 @@ nsBulletFrame::GetBaseline() const
case NS_STYLE_LIST_STYLE_DISC:
case NS_STYLE_LIST_STYLE_CIRCLE:
case NS_STYLE_LIST_STYLE_SQUARE:
fm->GetMaxAscent(ascent);
ascent = fm->MaxAscent();
bottomPadding = NSToCoordRound(float(ascent) / 8.0f);
ascent = NS_MAX(nsPresContext::CSSPixelsToAppUnits(MIN_BULLET_SIZE),
NSToCoordRound(0.8f * (float(ascent) / 2.0f)));
@ -1609,7 +1610,7 @@ nsBulletFrame::GetBaseline() const
break;
default:
fm->GetMaxAscent(ascent);
ascent = fm->MaxAscent();
break;
}
}

2
layout/generic/nsGfxScrollFrame.cpp
Просмотреть файл

@ -2206,7 +2206,7 @@ nsGfxScrollFrameInner::GetLineScrollAmount() const
NS_ASSERTION(fm, "FontMetrics is null, assuming fontHeight == 1 appunit");
nscoord fontHeight = 1;
if (fm) {
fm->GetMaxHeight(fontHeight);
fontHeight = fm->MaxHeight();
}
return nsSize(fontHeight, fontHeight);

7
layout/generic/nsHTMLReflowState.cpp
Просмотреть файл

@ -2112,10 +2112,9 @@ GetNormalLineHeight(nsFontMetrics* aFontMetrics)
nscoord normalLineHeight;
nscoord externalLeading, internalLeading, emHeight;
aFontMetrics->GetExternalLeading(externalLeading);
aFontMetrics->GetInternalLeading(internalLeading);
aFontMetrics->GetEmHeight(emHeight);
nscoord externalLeading = aFontMetrics->ExternalLeading();
nscoord internalLeading = aFontMetrics->InternalLeading();
nscoord emHeight = aFontMetrics->EmHeight();
switch (GetNormalLineHeightCalcControl()) {
case eIncludeExternalLeading:
normalLineHeight = emHeight+ internalLeading + externalLeading;

7
layout/generic/nsImageFrame.cpp
Просмотреть файл

@ -976,10 +976,9 @@ nsImageFrame::DisplayAltText(nsPresContext* aPresContext,
// Format the text to display within the formatting rect
nsFontMetrics* fm = aRenderingContext.FontMetrics();
nscoord maxAscent, maxDescent, height;
fm->GetMaxAscent(maxAscent);
fm->GetMaxDescent(maxDescent);
fm->GetMaxHeight(height);
nscoord maxAscent = fm->MaxAscent();
nscoord maxDescent = fm->MaxDescent();
nscoord height = fm->MaxHeight();
// XXX It would be nice if there was a way to have the font metrics tell
// use where to break the text given a maximum width. At a minimum we need

9
layout/generic/nsInlineFrame.cpp
Просмотреть файл

@ -656,8 +656,8 @@ nsInlineFrame::ReflowFrames(nsPresContext* aPresContext,
// The height of our box is the sum of our font size plus the top
// and bottom border and padding. The height of children do not
// affect our height.
fm->GetMaxAscent(aMetrics.ascent);
fm->GetMaxHeight(aMetrics.height);
aMetrics.ascent = fm->MaxAscent();
aMetrics.height = fm->MaxHeight();
} else {
NS_WARNING("Cannot get font metrics - defaulting sizes to 0");
aMetrics.ascent = aMetrics.height = 0;
@ -914,8 +914,9 @@ nsInlineFrame::GetBaseline() const
{
nscoord ascent = 0;
nsRefPtr<nsFontMetrics> fm;
if (NS_SUCCEEDED(nsLayoutUtils::GetFontMetricsForFrame(this, getter_AddRefs(fm)))) {
fm->GetMaxAscent(ascent);
nsLayoutUtils::GetFontMetricsForFrame(this, getter_AddRefs(fm));
if (fm) {
ascent = fm->MaxAscent();
}
return NS_MIN(mRect.height, ascent + GetUsedBorderAndPadding().top);
}

15
layout/generic/nsLineLayout.cpp
Просмотреть файл

@ -1810,8 +1810,7 @@ nsLineLayout::VerticalAlignFrames(PerSpanData* psd)
// of the parent's box. This is identical to the baseline
// alignment except for the addition of the subscript
// offset to the baseline Y.
nscoord parentSubscript;
fm->GetSubscriptOffset(parentSubscript);
nscoord parentSubscript = fm->SubscriptOffset();
nscoord revisedBaselineY = baselineY + parentSubscript;
pfd->mBounds.y = revisedBaselineY - pfd->mAscent;
pfd->mVerticalAlign = VALIGN_OTHER;
@ -1824,8 +1823,7 @@ nsLineLayout::VerticalAlignFrames(PerSpanData* psd)
// of the parent's box. This is identical to the baseline
// alignment except for the subtraction of the superscript
// offset to the baseline Y.
nscoord parentSuperscript;
fm->GetSuperscriptOffset(parentSuperscript);
nscoord parentSuperscript = fm->SuperscriptOffset();
nscoord revisedBaselineY = baselineY - parentSuperscript;
pfd->mBounds.y = revisedBaselineY - pfd->mAscent;
pfd->mVerticalAlign = VALIGN_OTHER;
@ -1866,8 +1864,7 @@ nsLineLayout::VerticalAlignFrames(PerSpanData* psd)
{
// Align the midpoint of the frame with 1/2 the parents
// x-height above the baseline.
nscoord parentXHeight;
fm->GetXHeight(parentXHeight);
nscoord parentXHeight = fm->XHeight();
if (frameSpan) {
pfd->mBounds.y = baselineY -
(parentXHeight + pfd->mBounds.height)/2;
@ -1884,8 +1881,7 @@ nsLineLayout::VerticalAlignFrames(PerSpanData* psd)
{
// The top of the logical box is aligned with the top of
// the parent element's text.
nscoord parentAscent;
fm->GetMaxAscent(parentAscent);
nscoord parentAscent = fm->MaxAscent();
if (frameSpan) {
pfd->mBounds.y = baselineY - parentAscent -
pfd->mBorderPadding.top + frameSpan->mTopLeading;
@ -1901,8 +1897,7 @@ nsLineLayout::VerticalAlignFrames(PerSpanData* psd)
{
// The bottom of the logical box is aligned with the
// bottom of the parent elements text.
nscoord parentDescent;
fm->GetMaxDescent(parentDescent);
nscoord parentDescent = fm->MaxDescent();
if (frameSpan) {
pfd->mBounds.y = baselineY + parentDescent -
pfd->mBounds.height + pfd->mBorderPadding.bottom -

4
layout/generic/nsPageFrame.cpp
Просмотреть файл

@ -520,8 +520,8 @@ nsPageFrame::PaintHeaderFooter(nsRenderingContext& aRenderingContext,
nscoord ascent = 0;
nscoord visibleHeight = 0;
if (fontMet) {
fontMet->GetMaxHeight(visibleHeight);
fontMet->GetMaxAscent(ascent);
visibleHeight = fontMet->MaxHeight();
ascent = fontMet->MaxAscent();
}
// print document headers and footers

17
layout/generic/nsTextFrameThebes.cpp
Просмотреть файл

@ -4338,10 +4338,9 @@ nsTextFrame::UnionTextDecorationOverflow(nsPresContext* aPresContext,
if (IsFloatingFirstLetterChild()) {
// The underline/overline drawable area must be contained in the overflow
// rect when this is in floating first letter frame at *both* modes.
nscoord fontAscent, fontHeight;
nsFontMetrics* fm = aProvider.GetFontMetrics();
fm->GetMaxAscent(fontAscent);
fm->GetMaxHeight(fontHeight);
nscoord fontAscent = fm->MaxAscent();
nscoord fontHeight = fm->MaxHeight();
nsRect fontRect(0, mAscent - fontAscent, GetSize().width, fontHeight);
aVisualOverflowRect->UnionRect(*aVisualOverflowRect, fontRect);
}
@ -6786,11 +6785,8 @@ nsTextFrame::ReflowText(nsLineLayout& aLineLayout, nscoord aAvailableWidth,
// the height manually.
nsFontMetrics* fm = provider.GetFontMetrics();
if (fm) {
nscoord ascent, descent;
fm->GetMaxAscent(ascent);
fm->GetMaxDescent(descent);
textMetrics.mAscent = gfxFloat(ascent);
textMetrics.mDescent = gfxFloat(descent);
textMetrics.mAscent = gfxFloat(fm->MaxAscent());
textMetrics.mDescent = gfxFloat(fm->MaxDescent());
}
}
// The "end" iterator points to the first character after the string mapped
@ -6895,10 +6891,9 @@ nsTextFrame::ReflowText(nsLineLayout& aLineLayout, nscoord aAvailableWidth,
// Otherwise, ascent should contain the overline drawable area.
// And also descent should contain the underline drawable area.
// nsFontMetrics::GetMaxAscent/GetMaxDescent contains them.
nscoord fontAscent, fontDescent;
nsFontMetrics* fm = provider.GetFontMetrics();
fm->GetMaxAscent(fontAscent);
fm->GetMaxDescent(fontDescent);
nscoord fontAscent = fm->MaxAscent();
nscoord fontDescent = fm->MaxDescent();
aMetrics.ascent = NS_MAX(NSToCoordCeil(textMetrics.mAscent), fontAscent);
nscoord descent = NS_MAX(NSToCoordCeil(textMetrics.mDescent), fontDescent);
aMetrics.height = aMetrics.ascent + descent;

13
layout/mathml/nsMathMLContainerFrame.cpp
Просмотреть файл

@ -100,9 +100,8 @@ nsMathMLContainerFrame::ReflowError(nsRenderingContext& aRenderingContext,
// reflow metrics
nsFontMetrics* fm = aRenderingContext.FontMetrics();
fm->GetMaxAscent(aDesiredSize.ascent);
nscoord descent;
fm->GetMaxDescent(descent);
aDesiredSize.ascent = fm->MaxAscent();
nscoord descent = fm->MaxDescent();
aDesiredSize.height = aDesiredSize.ascent + descent;
aDesiredSize.width = mBoundingMetrics.width;
@ -140,11 +139,11 @@ void nsDisplayMathMLError::Paint(nsDisplayListBuilder* aBuilder,
aCtx->FillRect(nsRect(pt, mFrame->GetSize()));
aCtx->SetColor(NS_RGB(255,255,255));
nscoord ascent;
aCtx->FontMetrics()->GetMaxAscent(ascent);
nscoord ascent = aCtx->FontMetrics()->MaxAscent();
nsAutoString errorMsg; errorMsg.AssignLiteral("invalid-markup");
aCtx->DrawString(errorMsg.get(), PRUint32(errorMsg.Length()), pt.x, pt.y+ascent);
NS_NAMED_LITERAL_STRING(errorMsg, "invalid-markup");
aCtx->DrawString(errorMsg.get(), PRUint32(errorMsg.Length()),
pt.x, pt.y+ascent);
}
/* /////////////

9
layout/mathml/nsMathMLFrame.cpp
Просмотреть файл

@ -286,8 +286,7 @@ nsMathMLFrame::GetRuleThickness(nsRenderingContext& aRenderingContext,
Equals(aFontMetrics->Font()),
"unexpected state");
nscoord xHeight;
aFontMetrics->GetXHeight(xHeight);
nscoord xHeight = aFontMetrics->XHeight();
PRUnichar overBar = 0x00AF;
nsBoundingMetrics bm = aRenderingContext.GetBoundingMetrics(&overBar, 1);
aRuleThickness = bm.ascent + bm.descent;
@ -308,8 +307,7 @@ nsMathMLFrame::GetAxisHeight(nsRenderingContext& aRenderingContext,
Equals(aFontMetrics->Font()),
"unexpected state");
nscoord xHeight;
aFontMetrics->GetXHeight(xHeight);
nscoord xHeight = aFontMetrics->XHeight();
PRUnichar minus = 0x2212; // not '-', but official Unicode minus sign
nsBoundingMetrics bm = aRenderingContext.GetBoundingMetrics(&minus, 1);
aAxisHeight = bm.ascent - (bm.ascent + bm.descent)/2;
@ -340,10 +338,9 @@ nsMathMLFrame::CalcLength(nsPresContext* aPresContext,
return NSToCoordRound(aCSSValue.GetFloatValue() * (float)font->mFont.size);
}
else if (eCSSUnit_XHeight == unit) {
nscoord xHeight;
const nsStyleFont* font = aStyleContext->GetStyleFont();
nsRefPtr<nsFontMetrics> fm = aPresContext->GetMetricsFor(font->mFont);
fm->GetXHeight(xHeight);
nscoord xHeight = fm->XHeight();
return NSToCoordRound(aCSSValue.GetFloatValue() * (float)xHeight);
}

31
layout/mathml/nsMathMLFrame.h
Просмотреть файл

@ -270,8 +270,7 @@ public:
nscoord& aSubScriptShift1,
nscoord& aSubScriptShift2)
{
nscoord xHeight;
fm->GetXHeight(xHeight);
nscoord xHeight = fm->XHeight();
aSubScriptShift1 = NSToCoordRound(150.000f/430.556f * xHeight);
aSubScriptShift2 = NSToCoordRound(247.217f/430.556f * xHeight);
}
@ -283,8 +282,7 @@ public:
nscoord& aSupScriptShift2,
nscoord& aSupScriptShift3)
{
nscoord xHeight;
fm->GetXHeight(xHeight);
nscoord xHeight = fm->XHeight();
aSupScriptShift1 = NSToCoordRound(412.892f/430.556f * xHeight);
aSupScriptShift2 = NSToCoordRound(362.892f/430.556f * xHeight);
aSupScriptShift3 = NSToCoordRound(288.889f/430.556f * xHeight);
@ -296,8 +294,7 @@ public:
GetSubDrop(nsFontMetrics* fm,
nscoord& aSubDrop)
{
nscoord xHeight;
fm->GetXHeight(xHeight);
nscoord xHeight = fm->XHeight();
aSubDrop = NSToCoordRound(50.000f/430.556f * xHeight);
}
@ -305,8 +302,7 @@ public:
GetSupDrop(nsFontMetrics* fm,
nscoord& aSupDrop)
{
nscoord xHeight;
fm->GetXHeight(xHeight);
nscoord xHeight = fm->XHeight();
aSupDrop = NSToCoordRound(386.108f/430.556f * xHeight);
}
@ -316,8 +312,7 @@ public:
nscoord& numShift2,
nscoord& numShift3)
{
nscoord xHeight;
fm->GetXHeight(xHeight);
nscoord xHeight = fm->XHeight();
numShift1 = NSToCoordRound(676.508f/430.556f * xHeight);
numShift2 = NSToCoordRound(393.732f/430.556f * xHeight);
numShift3 = NSToCoordRound(443.731f/430.556f * xHeight);
@ -328,8 +323,7 @@ public:
nscoord& denShift1,
nscoord& denShift2)
{
nscoord xHeight;
fm->GetXHeight(xHeight);
nscoord xHeight = fm->XHeight();
denShift1 = NSToCoordRound(685.951f/430.556f * xHeight);
denShift2 = NSToCoordRound(344.841f/430.556f * xHeight);
}
@ -338,9 +332,9 @@ public:
GetEmHeight(nsFontMetrics* fm,
nscoord& emHeight)
{
#if 0
#if 0
// should switch to this API in order to scale with changes of TextZoom
fm->GetEmHeight(emHeight);
emHeight = fm->EmHeight();
#else
emHeight = NSToCoordRound(float(fm->Font().size));
#endif
@ -350,8 +344,7 @@ public:
GetAxisHeight (nsFontMetrics* fm,
nscoord& axisHeight)
{
fm->GetXHeight (axisHeight);
axisHeight = NSToCoordRound(250.000f/430.556f * axisHeight);
axisHeight = NSToCoordRound(250.000f/430.556f * fm->XHeight());
}
static void
@ -362,8 +355,7 @@ public:
nscoord& bigOpSpacing4,
nscoord& bigOpSpacing5)
{
nscoord xHeight;
fm->GetXHeight(xHeight);
nscoord xHeight = fm->XHeight();
bigOpSpacing1 = NSToCoordRound(111.111f/430.556f * xHeight);
bigOpSpacing2 = NSToCoordRound(166.667f/430.556f * xHeight);
bigOpSpacing3 = NSToCoordRound(200.000f/430.556f * xHeight);
@ -375,8 +367,7 @@ public:
GetRuleThickness(nsFontMetrics* fm,
nscoord& ruleThickness)
{
nscoord xHeight;
fm->GetXHeight(xHeight);
nscoord xHeight = fm->XHeight();
ruleThickness = NSToCoordRound(40.000f/430.556f * xHeight);
}

5
layout/mathml/nsMathMLTokenFrame.cpp
Просмотреть файл

@ -211,9 +211,8 @@ nsMathMLTokenFrame::Place(nsRenderingContext& aRenderingContext,
nsRefPtr<nsFontMetrics> fm =
PresContext()->GetMetricsFor(GetStyleFont()->mFont);
nscoord ascent, descent;
fm->GetMaxAscent(ascent);
fm->GetMaxDescent(descent);
nscoord ascent = fm->MaxAscent();
nscoord descent = fm->MaxDescent();
aDesiredSize.mBoundingMetrics = mBoundingMetrics;
aDesiredSize.width = mBoundingMetrics.width;

2
layout/mathml/nsMathMLmencloseFrame.cpp
Просмотреть файл

@ -399,7 +399,7 @@ nsMathMLmencloseFrame::PlaceInternal(nsRenderingContext& aRenderingContext,
// Rule 11, App. G, TeXbook
// psi = clearance between rule and content
if (NS_MATHML_IS_DISPLAYSTYLE(mPresentationData.flags))
fm->GetXHeight(phi);
phi = fm->XHeight();
else
phi = mRuleThickness;
psi = mRuleThickness + phi / 4;

9
layout/mathml/nsMathMLmfencedFrame.cpp
Просмотреть файл

@ -269,10 +269,11 @@ nsMathMLmfencedFrame::Reflow(nsPresContext* aPresContext,
nsIFrame* childFrame = firstChild;
nscoord ascent = 0, descent = 0;
if (firstChild || mOpenChar || mCloseChar || mSeparatorsCount > 0) {
// We use the ASCII metrics to get our minimum height. This way, if we have
// borders or a background, they will fit better with other elements on the line
fm->GetMaxAscent(ascent);
fm->GetMaxDescent(descent);
// We use the ASCII metrics to get our minimum height. This way,
// if we have borders or a background, they will fit better with
// other elements on the line.
ascent = fm->MaxAscent();
descent = fm->MaxDescent();
}
while (childFrame) {
nsHTMLReflowMetrics childDesiredSize(aDesiredSize.mFlags

6
layout/mathml/nsMathMLmfracFrame.cpp
Просмотреть файл

@ -436,8 +436,7 @@ nsMathMLmfracFrame::PlaceInternal(nsRenderingContext& aRenderingContext,
nscoord slashRatio = 3;
// Define the constant used in the expression of the maximum width
nscoord em;
fm->GetEmHeight(em);
nscoord em = fm->EmHeight();
nscoord slashMaxWidthConstant = 2 * em;
// For large line thicknesses the minimum slash height is limited to the
@ -477,8 +476,7 @@ nsMathMLmfracFrame::PlaceInternal(nsRenderingContext& aRenderingContext,
numShift += delta;
denShift += delta;
} else {
nscoord xHeight = 0;
fm->GetXHeight (xHeight);
nscoord xHeight = fm->XHeight();
numShift += xHeight / 2;
denShift += xHeight / 4;
}

3
layout/mathml/nsMathMLmmultiscriptsFrame.cpp
Просмотреть файл

@ -164,8 +164,7 @@ nsMathMLmmultiscriptsFrame::Place(nsRenderingContext& aRenderingContext,
PresContext()->GetUserFontSet());
nsFontMetrics* fm = aRenderingContext.FontMetrics();
nscoord xHeight;
fm->GetXHeight (xHeight);
nscoord xHeight = fm->XHeight();
nscoord ruleSize;
GetRuleThickness (aRenderingContext, fm, ruleSize);

5
layout/mathml/nsMathMLmoFrame.cpp
Просмотреть файл

@ -854,9 +854,8 @@ nsMathMLmoFrame::Stretch(nsRenderingContext& aRenderingContext,
firstChild->SetPosition(firstChild->GetPosition() - nsPoint(0, dy));
}
else if (useMathMLChar) {
nscoord ascent, descent;
fm->GetMaxAscent(ascent);
fm->GetMaxDescent(descent);
nscoord ascent = fm->MaxAscent();
nscoord descent = fm->MaxDescent();
aDesiredStretchSize.ascent = NS_MAX(mBoundingMetrics.ascent + leading, ascent);
aDesiredStretchSize.height = aDesiredStretchSize.ascent +
NS_MAX(mBoundingMetrics.descent + leading, descent);

3
layout/mathml/nsMathMLmoverFrame.cpp
Просмотреть файл

@ -285,8 +285,7 @@ nsMathMLmoverFrame::Place(nsRenderingContext& aRenderingContext,
PresContext()->GetUserFontSet());
nsFontMetrics* fm = aRenderingContext.FontMetrics();
nscoord xHeight = 0;
fm->GetXHeight (xHeight);
nscoord xHeight = fm->XHeight();
nscoord ruleThickness;
GetRuleThickness (aRenderingContext, fm, ruleThickness);

5
layout/mathml/nsMathMLmrootFrame.cpp
Просмотреть файл

@ -161,8 +161,7 @@ GetRadicalXOffsets(nscoord aIndexWidth, nscoord aSqrWidth,
// The index is tucked in closer to the radical while making sure
// that the kern does not make the index and radical collide
nscoord dxIndex, dxSqr;
nscoord xHeight = 0;
aFontMetrics->GetXHeight(xHeight);
nscoord xHeight = aFontMetrics->XHeight();
nscoord indexRadicalKern = NSToCoordRound(1.35f * xHeight);
if (indexRadicalKern > aIndexWidth) {
dxIndex = indexRadicalKern - aIndexWidth;
@ -281,7 +280,7 @@ nsMathMLmrootFrame::Reflow(nsPresContext* aPresContext,
// psi = clearance between rule and content
nscoord phi = 0, psi = 0;
if (NS_MATHML_IS_DISPLAYSTYLE(mPresentationData.flags))
fm->GetXHeight(phi);
phi = fm->XHeight();
else
phi = ruleThickness;
psi = ruleThickness + phi/4;

2
layout/mathml/nsMathMLmsubFrame.cpp
Просмотреть файл

@ -156,7 +156,7 @@ nsMathMLmsubFrame::PlaceSubScript (nsPresContext* aPresContext,
nsRefPtr<nsFontMetrics> fm =
aPresContext->GetMetricsFor(baseFrame->GetStyleFont()->mFont);
fm->GetXHeight (xHeight);
xHeight = fm->XHeight();
nscoord minShiftFromXHeight = (nscoord)
(bmSubScript.ascent - (4.0f/5.0f) * xHeight);

3
layout/mathml/nsMathMLmsubsupFrame.cpp
Просмотреть файл

@ -198,8 +198,7 @@ nsMathMLmsubsupFrame::PlaceSubSupScript(nsPresContext* aPresContext,
nsFontMetrics* fm = aRenderingContext.FontMetrics();
// get x-height (an ex)
nscoord xHeight;
fm->GetXHeight (xHeight);
nscoord xHeight = fm->XHeight();
nscoord ruleSize;
GetRuleThickness (aRenderingContext, fm, ruleSize);

2
layout/mathml/nsMathMLmsupFrame.cpp
Просмотреть файл

@ -157,7 +157,7 @@ nsMathMLmsupFrame::PlaceSuperScript(nsPresContext* aPresContext,
nsRefPtr<nsFontMetrics> fm =
aPresContext->GetMetricsFor(baseFrame->GetStyleFont()->mFont);
fm->GetXHeight (xHeight);
xHeight = fm->XHeight();
nscoord minShiftFromXHeight = (nscoord)
(bmSupScript.descent + (1.0f/4.0f) * xHeight);
nscoord italicCorrection;

3
layout/mathml/nsMathMLmunderFrame.cpp
Просмотреть файл

@ -282,8 +282,7 @@ nsMathMLmunderFrame::Place(nsRenderingContext& aRenderingContext,
PresContext()->GetUserFontSet());
nsFontMetrics* fm = aRenderingContext.FontMetrics();
nscoord xHeight = 0;
fm->GetXHeight (xHeight);
nscoord xHeight = fm->XHeight();
nscoord ruleThickness;
GetRuleThickness (aRenderingContext, fm, ruleThickness);

3
layout/mathml/nsMathMLmunderoverFrame.cpp
Просмотреть файл

@ -324,8 +324,7 @@ nsMathMLmunderoverFrame::Place(nsRenderingContext& aRenderingContext,
PresContext()->GetUserFontSet());
nsFontMetrics* fm = aRenderingContext.FontMetrics();
nscoord xHeight = 0;
fm->GetXHeight (xHeight);
nscoord xHeight = fm->XHeight();
nscoord ruleThickness;
GetRuleThickness (aRenderingContext, fm, ruleThickness);

4
layout/style/nsRuleNode.cpp
Просмотреть файл

@ -310,9 +310,7 @@ static nscoord CalcLengthWith(const nsCSSValue& aValue,
font.size = aFontSize;
nsRefPtr<nsFontMetrics> fm =
aPresContext->GetMetricsFor(font, aUseUserFontSet);
nscoord xHeight;
fm->GetXHeight(xHeight);
return ScaleCoord(aValue, float(xHeight));
return ScaleCoord(aValue, float(fm->XHeight()));
}
case eCSSUnit_Char: {
nsFont font = styleFont->mFont;

3
layout/svg/base/src/nsSVGUtils.cpp
Просмотреть файл

@ -297,8 +297,7 @@ nsSVGUtils::GetFontXHeight(nsStyleContext *aStyleContext)
return 1.0f;
}
nscoord xHeight;
fontMetrics->GetXHeight(xHeight);
nscoord xHeight = fontMetrics->XHeight();
return nsPresContext::AppUnitsToFloatCSSPixels(xHeight) /
presContext->TextZoom();
}

2
layout/xul/base/src/nsListBoxBodyFrame.cpp
Просмотреть файл

@ -227,7 +227,7 @@ nsListBoxBodyFrame::Init(nsIContent* aContent,
}
nsRefPtr<nsFontMetrics> fm;
nsLayoutUtils::GetFontMetricsForFrame(this, getter_AddRefs(fm));
fm->GetMaxHeight(mRowHeight);
mRowHeight = fm->MaxHeight();
return rv;
}

18
layout/xul/base/src/nsTextBoxFrame.cpp
Просмотреть файл

@ -481,8 +481,7 @@ nsTextBoxFrame::DrawText(nsRenderingContext& aRenderingContext,
nscoord offset;
nscoord size;
nscoord ascent;
fontMet->GetMaxAscent(ascent);
nscoord ascent = fontMet->MaxAscent();
nscoord baseline =
presContext->RoundAppUnitsToNearestDevPixels(aTextRect.y + ascent);
@ -657,7 +656,7 @@ nsTextBoxFrame::CalculateUnderline(nsRenderingContext& aRenderingContext)
nscoord offset, baseline;
nsFontMetrics* metrics = aRenderingContext.FontMetrics();
metrics->GetUnderline(offset, mAccessKeyInfo->mAccessUnderlineSize);
metrics->GetMaxAscent(baseline);
baseline = metrics->MaxAscent();
mAccessKeyInfo->mAccessOffset = baseline - offset;
}
}
@ -996,16 +995,19 @@ nsTextBoxFrame::MarkIntrinsicWidthsDirty()
}
void
nsTextBoxFrame::GetTextSize(nsPresContext* aPresContext, nsRenderingContext& aRenderingContext,
const nsString& aString, nsSize& aSize, nscoord& aAscent)
nsTextBoxFrame::GetTextSize(nsPresContext* aPresContext,
nsRenderingContext& aRenderingContext,
const nsString& aString,
nsSize& aSize, nscoord& aAscent)
{
nsRefPtr<nsFontMetrics> fontMet;
nsLayoutUtils::GetFontMetricsForFrame(this, getter_AddRefs(fontMet));
fontMet->GetMaxHeight(aSize.height);
aSize.height = fontMet->MaxHeight();
aRenderingContext.SetFont(fontMet);
aSize.width =
nsLayoutUtils::GetStringWidth(this, &aRenderingContext, aString.get(), aString.Length());
fontMet->GetMaxAscent(aAscent);
nsLayoutUtils::GetStringWidth(this, &aRenderingContext,
aString.get(), aString.Length());
aAscent = fontMet->MaxAscent();
}
void

8
layout/xul/base/src/tree/src/nsTreeBodyFrame.cpp
Просмотреть файл

@ -1264,8 +1264,7 @@ nsTreeBodyFrame::GetCoordsForCellItem(PRInt32 aRow, nsITreeColumn* aCol, const n
nsRefPtr<nsFontMetrics> fm;
nsLayoutUtils::GetFontMetricsForStyleContext(textContext,
getter_AddRefs(fm));
nscoord height;
fm->GetMaxHeight(height);
nscoord height = fm->MaxHeight();
nsMargin textMargin;
textContext->GetStyleMargin()->GetMargin(textMargin);
@ -3572,9 +3571,8 @@ nsTreeBodyFrame::PaintText(PRInt32 aRowIndex,
nsLayoutUtils::GetFontMetricsForStyleContext(textContext,
getter_AddRefs(fontMet));
nscoord height, baseline;
fontMet->GetMaxHeight(height);
fontMet->GetMaxAscent(baseline);
nscoord height = fontMet->MaxHeight();
nscoord baseline = fontMet->MaxAscent();
// Center the text. XXX Obey vertical-align style prop?
if (height < textRect.height) {